Mr.Batt 1180mAh Replacement Battery for GoPro HERO3+, HERO3 (Pack of 2) Battery type: Rechargeable Li-ion, voltage: 3.7V, capacity: 1180mAh, power: 4.4Wh Repalce GoPro AHDBT-201, AHDBT-301, AHDBT-302 battery, and compatible with GoPro HERO3+, HERO3 Same power as the original ones, 100% true capacity CE certified and tested by manufacturer to match OEM products 30 days money back guaranty and 1 year limited warranty